Abstract: A bidirectional multibeam transmit-reflect-array (TRA) antenna has been proposed for the space–air–ground–sea integrated network (SAGSIN). The TRA consists of alternating transmission ...

Abstract: Calibration is crucial for ensuring the performance of phased array since amplitude-phase imbalance between elements results in significant performance degradation. While amplitude-only ...

China and Russia have both condemned U.S. and Israeli strikes on Iran. Whether any tangible or impactful support for Iran will materialize is uncertain, however. Russia often takes a "wait-and-see" ...

opinion Beloved British single-board computer maker Raspberry Pi has achieved meme stock stardom, as its share price surged 90 percent over the course of a couple of days earlier this week. It's ...